Tissue carcinoembryonic antigen and estrogen receptor in human breast cancer
✍ Scribed by Renate Hartfiel; José Daniel Lopes; Miriam T. P. Lopes; M. Mitzi Brentani
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- French
- Weight
- 457 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0020-7136
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Sixty‐six human ductal infiltrative breast carcinomas were examined for their estrogen receptor (ER) by the dextran‐coated charcoal procedure and for the presence of carcinoembryonic antigen (CEA) by immunofluorescence with the aid of monoclonal antibodies. Statistically significant differences in CEA positivity were found between stage III (33%) and stage II (19%) tumors (Z = 2.08; p < 0.02) and between ER + (22%) and ER – (37%) tumors (Z = 2.083; p < 0.02). An inverse correlation was observed between positivity and receptor concentrations. No difference in CEA positivity was observed between pre‐ and post‐menopausal women.
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Carcinoembryonic antigen (CEA) levels were determined in 742 postoperative patients with breast cancer. Within this group the percentage of elevated (24.0 ng/ml) assays increased with UICC clinical stage and was 14.8% (12/81), 23.7% (27/114), 73.1% (190/260) and 20.0% (49/245) for stages I, 11, 111,
Estrogen receptor protein (ERP) content and carcinoembryonic antigen (CEA) positivity were analysed in 50 cases of primary breast carcinoma. Relationship of pathological features known to be of prognostic significance and combined CEA and ERP status were examined. It was found that CEA + ERPtumours